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Database: UniProt
Entry: B9NPX6_9RHOB
LinkDB: B9NPX6_9RHOB
Original site: B9NPX6_9RHOB 
ID   B9NPX6_9RHOB            Unreviewed;       431 AA.
AC   B9NPX6;
DT   24-MAR-2009, integrated into UniProtKB/TrEMBL.
DT   24-MAR-2009, sequence version 1.
DT   24-JAN-2024, entry version 65.
DE   RecName: Full=Acetyltransferase component of pyruvate dehydrogenase complex {ECO:0000256|RuleBase:RU361137};
DE            EC=2.3.1.12 {ECO:0000256|RuleBase:RU361137};
GN   ORFNames=RKLH11_307 {ECO:0000313|EMBL:EEE36474.1};
OS   Rhodobacteraceae bacterium KLH11.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC   Paracoccaceae.
OX   NCBI_TaxID=467661 {ECO:0000313|EMBL:EEE36474.1, ECO:0000313|Proteomes:UP000005135};
RN   [1] {ECO:0000313|Proteomes:UP000005135}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KLH11 {ECO:0000313|Proteomes:UP000005135};
RX   PubMed=21742885; DOI=10.1128/jb.05556-11;
RA   Zan J., Fricke W.F., Fuqua C., Ravel J., Hill R.T.;
RT   "Genome Sequence of Ruegeria sp. Strain KLH11, an N-Acylhomoserine Lactone-
RT   Producing Bacterium Isolated from the Marine Sponge Mycale laxissima.";
RL   J. Bacteriol. 193:5011-5012(2011).
CC   -!- FUNCTION: The pyruvate dehydrogenase complex catalyzes the overall
CC       conversion of pyruvate to acetyl-CoA and CO(2). It contains multiple
CC       copies of three enzymatic components: pyruvate dehydrogenase (E1),
CC       dihydrolipoamide acetyltransferase (E2) and lipoamide dehydrogenase
CC       (E3). {ECO:0000256|ARBA:ARBA00025211}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=acetyl-CoA + N(6)-[(R)-dihydrolipoyl]-L-lysyl-[protein] = CoA
CC         + N(6)-[(R)-S(8)-acetyldihydrolipoyl]-L-lysyl-[protein];
CC         Xref=Rhea:RHEA:17017, Rhea:RHEA-COMP:10475, Rhea:RHEA-COMP:10478,
CC         ChEBI:CHEBI:57287, ChEBI:CHEBI:57288, ChEBI:CHEBI:83100,
CC         ChEBI:CHEBI:83111; EC=2.3.1.12;
CC         Evidence={ECO:0000256|ARBA:ARBA00000925,
CC         ECO:0000256|RuleBase:RU361137};
CC   -!- COFACTOR:
CC       Name=(R)-lipoate; Xref=ChEBI:CHEBI:83088;
CC         Evidence={ECO:0000256|RuleBase:RU361137};
CC       Note=Binds 1 lipoyl cofactor covalently.
CC       {ECO:0000256|RuleBase:RU361137};
CC   -!- SUBUNIT: Forms a 24-polypeptide structural core with octahedral
CC       symmetry. {ECO:0000256|ARBA:ARBA00011484}.
CC   -!- SIMILARITY: Belongs to the 2-oxoacid dehydrogenase family.
CC       {ECO:0000256|ARBA:ARBA00007317, ECO:0000256|RuleBase:RU361137}.
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DR   EMBL; DS999531; EEE36474.1; -; Genomic_DNA.
DR   AlphaFoldDB; B9NPX6; -.
DR   STRING; 467661.RKLH11_307; -.
DR   eggNOG; COG0508; Bacteria.
DR   HOGENOM; CLU_016733_10_2_5; -.
DR   OrthoDB; 9805770at2; -.
DR   Proteomes; UP000005135; Unassembled WGS sequence.
DR   GO; GO:0045254; C:pyruvate dehydrogenase complex; IEA:InterPro.
DR   GO; GO:0004742; F:dihydrolipoyllysine-residue acetyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006086; P:acetyl-CoA biosynthetic process from pyruvate; IEA:InterPro.
DR   GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-KW.
DR   CDD; cd06849; lipoyl_domain; 1.
DR   Gene3D; 2.40.50.100; -; 1.
DR   Gene3D; 3.30.559.10; Chloramphenicol acetyltransferase-like domain; 1.
DR   Gene3D; 4.10.320.10; E3-binding domain; 1.
DR   InterPro; IPR003016; 2-oxoA_DH_lipoyl-BS.
DR   InterPro; IPR001078; 2-oxoacid_DH_actylTfrase.
DR   InterPro; IPR000089; Biotin_lipoyl.
DR   InterPro; IPR023213; CAT-like_dom_sf.
DR   InterPro; IPR045257; E2/Pdx1.
DR   InterPro; IPR036625; E3-bd_dom_sf.
DR   InterPro; IPR006257; LAT1.
DR   InterPro; IPR004167; PSBD.
DR   InterPro; IPR011053; Single_hybrid_motif.
DR   NCBIfam; TIGR01349; PDHac_trf_mito; 1.
DR   PANTHER; PTHR23151; DIHYDROLIPOAMIDE ACETYL/SUCCINYL-TRANSFERASE-RELATED; 1.
DR   PANTHER; PTHR23151:SF90; DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE DEHYDROGENASE COMPLEX, MITOCHONDRIAL; 1.
DR   Pfam; PF00198; 2-oxoacid_dh; 1.
DR   Pfam; PF00364; Biotin_lipoyl; 1.
DR   Pfam; PF02817; E3_binding; 1.
DR   SUPFAM; SSF52777; CoA-dependent acyltransferases; 1.
DR   SUPFAM; SSF47005; Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex; 1.
DR   SUPFAM; SSF51230; Single hybrid motif; 1.
DR   PROSITE; PS50968; BIOTINYL_LIPOYL; 1.
DR   PROSITE; PS00189; LIPOYL; 1.
DR   PROSITE; PS51826; PSBD; 1.
PE   3: Inferred from homology;
KW   Acyltransferase {ECO:0000256|ARBA:ARBA00023315,
KW   ECO:0000256|RuleBase:RU361137};
KW   Lipoyl {ECO:0000256|ARBA:ARBA00022823, ECO:0000256|RuleBase:RU361137};
KW   Pyruvate {ECO:0000313|EMBL:EEE36474.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000005135};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU361137}.
FT   DOMAIN          2..78
FT                   /note="Lipoyl-binding"
FT                   /evidence="ECO:0000259|PROSITE:PS50968"
FT   DOMAIN          131..168
FT                   /note="Peripheral subunit-binding (PSBD)"
FT                   /evidence="ECO:0000259|PROSITE:PS51826"
FT   REGION          90..123
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   431 AA;  44640 MW;  A838A923DFD7107A CRC64;
     MPTEILMPAL SPTMEEGTLA KWLVKEGDTV SSGDLLAEIE TDKATMEFEA VDEGTIGKIL
     IPEGSEGVRV NTAIAVLLED GESADDIAAT PAKAPEAAPA AAGNEAAAPA APEAPAPAPA
     APVKADGGRI FASPLARRIA AQKGLDLAQI AGSGPHGRIV KADVESATAA PAAAPAPAAA
     PAPAAAPAGP SADMVARMYE GREYEEIQLD GMRKTIAARL GEAKQTIPHF YLRRDIKLDA
     LLKFRSQLNK QLEGRGVKLS VNDFIIKAVA NALQQVPECN AVWAGDRVLQ LKPSDVAVAV
     AIEGGLFTPV LQDADTKSLS ALSSEMKDLA GRARERKLAP HEYQGGTFAV SNLGMFGIDN
     FDAIVNPPHA GILAVGTGVK KPVVGDDGEL TVATVMSVTM SVDHRVIDGA LGAELLKAIV
     ENLENPMVML A
//
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